Dyfyniad APA

Armstrong, L. D. (1975). A guide to international recommendations on names and symbols for quantities and on units of measurement / Lowe D. Armstrong. World Health Organization.

Dyfyniad Arddull Chicago

Armstrong, Lowe D. A Guide to International Recommendations on Names and Symbols for Quantities and on Units of Measurement / Lowe D. Armstrong. Geneva: World Health Organization, 1975.

Dyfyniad MLA

Armstrong, Lowe D. A Guide to International Recommendations on Names and Symbols for Quantities and on Units of Measurement / Lowe D. Armstrong. World Health Organization, 1975.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.